Geometry. Points Lines Planes A ______ is an exact location in space. point.

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Presentation transcript:

Geometry

Points Lines Planes

A ______ is an exact location in space. point

A ______ is a set of connected points continuing without end in both directions. line

A ______ is an endless flat surface. plane

__________ lines are lines that are always the same distance apart (they will never intersect (touch) even if you extend them forever). Parallel

_____________ lines are lines that meet or cross. Intersecting

______________ lines are lines that intersect at a 90 o angle (where the perpendicular lines cross will look like the corner of a square) Perpendicular

A _______ __________ is part of a line with two end points line segment

A _____ is part of a line that has one __________ and goes on forever in one direction. ray endpoint

Even though the word ANGLE, may be new to you, I want you to know that you have known ANGLES your WHOLE life. An angle, is very much like a corner. An angle is measured by how wide is opens.

An _____ is two rays with a common endpoint. angle

A _____ angle is 90 degrees. right

An _____ angle is an angle between 0 and 90 degrees. acute An acute angle is smaller then the corner of a square

An _____ angle is an angle between 90 and 180 degrees. obtuse An obtuse angle is bigger then the corner of a square

A ________ angle is 180 degrees. It’s a straight line! straight

Polygons

A __________ is a closed figure made up of line segments. Examples of PolygonsNot a Polygon polygon

A __________ is a ____ sided polygon with three angles. triangle 3 Acute Angle Right Angle

A ____________ is a _____ sided polygon quadrilateral4 This quadrilateral has four right angles This quadrilateral has 2 acute angles And 2 obtuse angles. Can you see which are Acute and which are Obtuse?

A parallelogram is a quadrilateral with two pairs of ___________ sides. parallel Parallel means that if the lines were to go on and on FOREVER, they would NEVER TOUCH

A ____________ is a quadrilateral with two pairs of __________ sides and _____ right angles. rectangle parallel4

A _______ is a parallelogram with _____ congruent sides and ____ right angles. 3 cm 6 cm square 44

A ________ is a parallelogram with all four sides ______ in length. 3 cm 7 cm rhombus equal

A ___________ is a quadrilateral with ONLY _____ pair of parallel sides. trapezoid 1 I put dots on the sides that are parallel

A ______ sided polygon is called a ______________. 5 pentagon

A ______ sided polygon is called a ______________. 6 hexagon

An ______ sided polygon is called a ______________. 8 octagon